This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 6 |
| 3 | 8 |
| 4 | 58 |
| 5 | 2108 |
| 6 | 665908 |
| 7 | 682908 |
| 8 | 6583794 |
| 9 | 6814942 |
| 10 | 58622892 |
| 11 | 183475738 |
| 12 | 79651953188 |
| 13 | 666585663238 |
| 14 | 2081740457806 |
| 15 | 66817996351009092 |
| 16 | 6666680833328031344 |